WebGLCompressedTextureS3TC.cpp [plain text]
#include "config.h"
#if ENABLE(WEBGL)
#include "WebGLCompressedTextureS3TC.h"
#include "Extensions3D.h"
#include "WebGLRenderingContext.h"
#include <wtf/Int32Array.h>
#include <wtf/OwnArrayPtr.h>
namespace WebCore {
WebGLCompressedTextureS3TC::WebGLCompressedTextureS3TC(WebGLRenderingContext* context)
: WebGLExtension(context)
{
context->addCompressedTextureFormat(Extensions3D::COMPRESSED_RGB_S3TC_DXT1_EXT);
context->addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_S3TC_DXT1_EXT);
context->addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_S3TC_DXT3_EXT);
context->addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_S3TC_DXT5_EXT);
}
WebGLCompressedTextureS3TC::~WebGLCompressedTextureS3TC()
{
}
WebGLExtension::ExtensionName WebGLCompressedTextureS3TC::getName() const
{
return WebGLCompressedTextureS3TCName;
}
PassOwnPtr<WebGLCompressedTextureS3TC> WebGLCompressedTextureS3TC::create(WebGLRenderingContext* context)
{
return adoptPtr(new WebGLCompressedTextureS3TC(context));
}
bool WebGLCompressedTextureS3TC::supported(WebGLRenderingContext* context)
{
Extensions3D* extensions = context->graphicsContext3D()->getExtensions();
return extensions->supports("GL_EXT_texture_compression_s3tc")
|| (extensions->supports("GL_EXT_texture_compression_dxt1")
&& extensions->supports("GL_CHROMIUM_texture_compression_dxt3")
&& extensions->supports("GL_CHROMIUM_texture_compression_dxt5"));
}
}
#endif // ENABLE(WEBGL)